Now, Bach's six Brandenburg Concertos have inspired a new set of companion pieces.

NPR: Bach and Beyond: Orpheus Plays Carnegie Hall

Orpheus has commissioned six composers to each take one of Bach's Brandenburg Concertos and write a new piece based closely on the master's.

NPR: Bach and Beyond: Orpheus Plays Carnegie Hall

The final 'New Brandenburg' is slated for its premiere during the 2010-11 season, when Orpheus plans to play all six new works in tandem with all six of the original Brandenburg Concertos.

NPR: Bach and Beyond: Orpheus Plays Carnegie Hall

Last year the orchestra debuted A Brandenburg Autumn by Stephen Hartke, based on the first of Bach's concertos.

NPR: Bach and Beyond: Orpheus Plays Carnegie Hall